diff options
Diffstat (limited to 'src/libcamera/software_isp/software_isp.cpp')
| -rw-r--r-- | src/libcamera/software_isp/software_isp.cpp | 30 |
1 files changed, 25 insertions, 5 deletions
diff --git a/src/libcamera/software_isp/software_isp.cpp b/src/libcamera/software_isp/software_isp.cpp index e4e56086..20fb6f48 100644 --- a/src/libcamera/software_isp/software_isp.cpp +++ b/src/libcamera/software_isp/software_isp.cpp @@ -2,11 +2,13 @@ /* * Copyright (C) 2023, Linaro Ltd * - * software_isp.cpp - Simple software ISP implementation + * Simple software ISP implementation */ #include "libcamera/internal/software_isp/software_isp.h" +#include <cmath> +#include <stdint.h> #include <sys/mman.h> #include <sys/types.h> #include <unistd.h> @@ -18,6 +20,7 @@ #include "libcamera/internal/framebuffer.h" #include "libcamera/internal/ipa_manager.h" #include "libcamera/internal/mapped_framebuffer.h" +#include "libcamera/internal/software_isp/debayer_params.h" #include "debayer_cpu.h" @@ -63,12 +66,29 @@ LOG_DEFINE_CATEGORY(SoftwareIsp) * handler */ SoftwareIsp::SoftwareIsp(PipelineHandler *pipe, const CameraSensor *sensor) - : debayerParams_{ DebayerParams::kGain10, DebayerParams::kGain10, - DebayerParams::kGain10, 0.5f, 0 }, - dmaHeap_(DmaHeap::DmaHeapFlag::Cma | DmaHeap::DmaHeapFlag::System) + : dmaHeap_(DmaBufAllocator::DmaBufAllocatorFlag::CmaHeap | + DmaBufAllocator::DmaBufAllocatorFlag::SystemHeap | + DmaBufAllocator::DmaBufAllocatorFlag::UDmaBuf) { + /* + * debayerParams_ must be initialized because the initial value is used for + * the first two frames, i.e. until stats processing starts providing its + * own parameters. + * + * \todo This should be handled in the same place as the related + * operations, in the IPA module. + */ + std::array<uint8_t, 256> gammaTable; + for (unsigned int i = 0; i < 256; i++) + gammaTable[i] = UINT8_MAX * std::pow(i / 256.0, 0.5); + for (unsigned int i = 0; i < DebayerParams::kRGBLookupSize; i++) { + debayerParams_.red[i] = gammaTable[i]; + debayerParams_.green[i] = gammaTable[i]; + debayerParams_.blue[i] = gammaTable[i]; + } + if (!dmaHeap_.isValid()) { - LOG(SoftwareIsp, Error) << "Failed to create DmaHeap object"; + LOG(SoftwareIsp, Error) << "Failed to create DmaBufAllocator object"; return; } |